STM32L151VBH6A

This microcontroller features ultra-low-power characteristics, equipped with an ARM Cortex-M3 32-bit CPU, supporting multiple low-power modes, and comes with a rich set of analog and digital peripherals, multiple memory options, and various package types. The LCD driver is applicable to models other than STM32L151x/6/8/B devices.

Key features

• Ultra-low-power platform:
• 1.65 V to 3.6 V power supply
• -40°C to 85°C/105°C temperature range
• 0.3 μA Standby mode (3 wakeup pins)
• 0.9 μA Standby mode + RTC
• 0.57 μA Stop mode (16 wakeup lines)
• 1.2 μA Stop mode + RTC
• 9 μA Low-power run mode
• 214 μA/MHz Run mode
• 10 nA ultra-low I/O leakage
• < 8 μs wakeup time
• Core: ARM Cortex-M3 32-bit CPU
• From 32 kHz up to 32 MHz max
• 1.25 DMIPS/MHz (Dhrystone 2.1)
• Memory protection unit
• Reset and supply management:
• Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
• Ultra-low-power POR/PDR Programmable voltage detector (PVD)
• Clock sources:
• 1 to 24 MHz crystal oscillator
• 32 kHz oscillator for RTC with calibration
• High Speed Internal 16 MHz factory-trimmed RC (+/-1%)
• Internal low-power 37 kHz RC
• Internal multispeed low-power 65 kHz to 4.2 MHz
• PLL for CPU clock and USB (48 MHz)
• Pre-programmed bootloader: USART supported
• Development support:
• Serial wire debug supported
• JTAG and trace supported
• Up to 83 fast I/Os (73 I/Os 5V tolerant), all mappable on 16 external interrupt vectors
• Memories:
• Up to 128 Kbytes Flash memory with ECC
• Up to 16 Kbytes RAM
• Up to 4 Kbytes of true EEPROM with ECC
• 80-byte backup register
• LCD Driver (except STM32L151x/6/8/B devices) for up to 8x40 segments:
• Support contrast adjustment
• Support blinking mode
• Step-up converter on board
• Rich analog peripherals (down to 1.8 V):
• 12-bit ADC 1 Msps up to 24 channels
• 12-bit DAC 2 channels with output buffers
• 2x ultra-low-power-comparators (window mode and wake up capability)
• DMA controller 7x channels
• 8x peripheral communication interfaces:
• 1x USB 2.0 (internal 48 MHz PLL)
• 3x USARTs (ISO 7816, IrDA)
• 2x SPIs 16 Mbit/s
• 2x I2Cs (SMBus/PMBus)
• 10x timers:
• 6x 16-bit with up to 4 IC/OC/PWM channels
• 2x 16-bit basic timers
• 2x watchdog timers (independent and window)
• Up to 20 capacitive sensing channels supporting touchkey, linear and rotary touch sensors
• CRC calculation unit, 96-bit unique ID